köken: From Middle High German niuwe, from Old High German niuwi, from Proto-West Germanic *niwi, from Proto-Germanic *niwjaz, from Proto-Indo-European *néwos. Compare Dutch nieuw, English new, Danish ny, Gothic 𐌽𐌹𐌿𐌾𐌹𐍃 (niujis).
köken: Inherited from Volga Bulgar طخر (toxur), from Proto-Turkic *tokuŕ. Cognate with Khalaj toqquz, Turkish dokuz, Uzbek toʻqqiz, Bashkir туғыҙ (tuğıź), and Yakut тоҕус (toğus).
köken: From Middle Dutch jonc, from Old Dutch junc, from Proto-West Germanic *jung, from Proto-Germanic *jungaz, from Proto-Indo-European *h₂yuh₁n̥ḱós. Compare German jung, English young, Danish ung, Icelandic ungur.
aile: jong geleerd is oud gedaan, jonge hond, jongeheer, verjongen
köken: From Proto-Finnic *uuci (compare Estonian uus), from Proto-Finno-Ugric *wuďe (compare Northern Sami ođas, Erzya and Moksha од (od), Eastern Mari and Western Mari у (u), Komi-Zyrian выль (vyľ), Hungarian új). The vowel was irregularly lengthened possibly as a result of the lost initial *w-.